Key Specifications & FeaturesLarge 5.5" Backlit Display: Built with an expansive screen that simplifies viewing for systolic pressure, diastolic pressure, and pulse rate along with the time, date, and user tracking data. [1] blood-pressure-monitor)Dual-User Memory: Supports up to 2 separate users and automatically saves up to 99 readings per person (198 total), complete with a date and time stamp. blood-pressure-monitor)Oscillographic Measurement Method: Uses a standard electronic pressure-release workflow to automatically capture upper arm arterial Irregular Heartbeat Detection: Designed with internal sensors to detect early signs of arrhythmia during standard tracking.